Salmon was the father of Boaz by Rahab, Boaz was the father of Obed by Ruth, and Obed the father of Jesse.

Jesse was the father of David the king.David was the father of Solomon by Bathsheba who had been the wife of Uriah.

the son of Jesse, the son of Obed, the son of Boaz, the son of Salmon, the son of Nahshon,

After He had removed him, He raised up David to be their king, concerning whom He also testified and said, ‘I have found David the son of Jesse, a man after My heart, who will do all My will.’

Again Isaiah says,
“There shall come the root of Jesse,
And He who arises to rule over the Gentiles,
In Him shall the Gentiles hope.”